Cod sursa(job #169083)

Utilizator coderninuHasna Robert coderninu Data 1 aprilie 2008 00:44:42
Problema Litere Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <stdio.h>
#define Nmax 10001

char s[Nmax];
int n, rez, i, j;
int uz[30];


int main()
{
	fscanf(fopen("litere.in", "r"), "%d\n%s\n", &n, &s);
	for (i = 0; i<n; i++)
	{
		uz[s[i]-'a']++;
		for (j = s[i]-'a'+1; j<'z'-'a'; j++)
			rez+=uz[j];
	}
	fprintf(fopen("litere.out", "w"), "%d\n", rez);
	return 0;
}